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Chronic myeloid leukaemia (CML)

Chronic myeloid leukaemia (CML) is a type of blood cancer that affects a group of white blood cells known as myeloid cells.

Paul, living with CML, has a cuppa with his wife in the kitchen

Chronic myeloid leukaemia (CML) at a glance

CML is a slow-forming leukaemia when cancerous cells build up in your bone marrow and blood.

Around 750 people are diagnosed with CML each year in the UK.

CML is more common in older people and very rare in children under 15.

Read more about CML.

For support around a blood cancer diagnosis, go to our just diagnosed section.

We don’t know exactly what causes CML, but some things like age and sex make it more likely.

Find out about the causes of CML.

People with CML can experience a range of symptoms, including tiredness, unexplained weight loss and night sweats.

Read more about the symptoms and diagnosis of CML.

Most people with CML take a daily dose of a drug called a tyrosine kinase inhibitor (TKI).

If TKIs don't work for you, or if you're diagnosed with blast phase CML and treatment gets you back to the chronic phase, your doctor may recommend a stem cell transplant.

Find more about treatment and side effects for CML.

For most people it’s possible to have a good quality of life for many years.

We have information about things that can affect the prognosis for CML.

For young adults with leukaemia, lymphoma or any blood cancer type. Your guide to treatment, side effects, coping with emotions, friends and work or study.

Rob and family having fun cooking

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